Home / 7,499.01-11,237.57-4,218.51

Finding the Fourth Proportional to 7,499.01, 11,237.57 and 4,218.51

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Solution

The fourth proportional to 7,499.01, 11,237.57 and 4,218.51 is: 6,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.01 : 11,237.57 = 4,218.51 : x
  2. Step 2: Convert to fraction form
    7,499.01/11,237.57 = 4,218.51/x
  3. Step 3: Cross multiply
    7,499.01x = 11,237.57 × 4,218.51
  4. Step 4: Simplify right side
    7,499.01x = 47,405,780.33
  5. Step 5: Solve for x
    x = 47,405,780.33/7,499.01
  6. Step 6: Final answer
    x = 6,321.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.